Abstract:
A metering delivery apparatus for injecting bone graft cement includes a body portion, a material containment vessel, an actuator, and a control unit. The body portion includes a drive housing that supports an actuator drivetrain and receiver end that supports the material containment vessel. The actuator has a first end connected to the actuator drivetrain and a second end that supports a moveable portion of the vessel to dispense material in the vessel and a retracting movement that relieves pressure applied to the material. The control unit receives actuator parameter inputs and includes a sensor to detect a signal of at least one of a pressure level and a time period. The sensor provides the detected signal to the control unit such that the control unit operates the actuator between the dispensing and retracting movements based on the detected signal and the actuator parameter inputs.
Abstract:
A kit of parts for inserting a deformable implant into a cavity in a bone of a patient is described. An inserter instrument (1) comprises a body (100) having a cavity extending along a longitudinal axis from a distal end to a proximal end. An attachment mechanism (108) is provided at the distal end and to which a deformable implant can be releasably attached. A drive mechanism (132) is provided at the proximal end of the body. A push rod (150) is freely and slidably arranged within the cavity and has a distal end engageable with a part of the deformable implant and a proximal end abutable by the drive mechanism. The drive mechanism is operable to drive the push rod toward the distal end of the body. The kit also includes an impactor (210) dimensioned for slidable engagement within the cavity.
Abstract:
Systems and methods of using expandable elements inserted into a bone, such as the distal radius, to provide for minimally invasive reduction and fixation of fractures. An introducer is used to insert the expandable elements to create a cavity within the bone, to precisely reposition displaced bone fragments and to form a cavity for introduction of an implant material for bone fixation.
Abstract:
Es wird eine Vorrichtung zum blasenarmen Mischen und Austragen eines Produkts vorgeschlagen. Die Vorrichtung weist ein Gehäuse (10) auf, welches ein Reservoir für das Produkt begrenzt. In dem Reservoir ist ein Mischelement (23) bewegbar, um das Produkt zu durchmischen. Ein Kolben (40) begrenzt das Reservoir in proximaler Richtung und ist in die distale Richtung verschiebbar, um das Produkt aus dem Reservoir auszutragen. Um Gase aus dem Reservoir hinauszupressen und dadurch die Blasenbildung zu vermindern, weist die Vorrichtung ein Federelement (50) auf, das den Kolben in die distale Richtung mit einer Federkraft belastet.
Abstract:
A hydraulic injection system is provided for injecting bone cement to a target anatomical location. The injection system can include a hydraulic injector configured to dispense a pressurized fluid, a cement cartridge assembly, and one or more conduits. The cement cartridge assembly includes at least one cement cartridge configured to receive the pressurized fluid and deliver the bone cement to the target anatomical location. The conduit is connected between the hydraulic injector and the cement cartridge assembly.
Abstract:
Dispensing unit for mixers of biphasic compounds, for dispensing a quantity of mixed biphasic compound through a channel (20) of at least a mixing unit (3) by means of at least a piston (23) sliding inside at least a mixing chamber (21), characterized in that it comprises at least a drive element (41) for said piston (23) which can be remotely controlled.
Abstract:
Inflatable medical devices and methods for making and using the same are disclosed. The inflatable medical devices can be medical balloons. The balloons can be configured to have a through-lumen or no through-lumen and a wide variety of geometries. The device can have a high-strength, non-compliant, fiber-reinforced, multi-layered wall. The inflatable medical device can be used for angioplasty, kyphoplasty, percutaneous aortic valve replacement, or other procedures described herein.
Abstract:
Methods and devices for augmenting bone, such as in performing vertebroplasty are disclosed. A bone cement injection needle is provided, having a laterally deflectable distal end. The distal end may be provided with a cavity creation element, such as an inflatable balloon. Systems are also disclosed, including the steerable injection needle, introducer and stylet. The system may additionally include a cement delivery gun, one-time use disposable cement cartridges and a cement mixing chamber. Methods are also disclosed.
Abstract:
A method for treating a vertebral bone comprises providing a plurality of hollow microparticles and providing a flowable and settable bone filling material. The method further comprises mixing the plurality of hollow microparticles with the bone filling material to form a bone augmentation material. The method further comprises inserting an injection device into the vertebral bone and injecting the bone augmentation material from the injection device and into the vertebral bone.